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Related Experiment Videos

Spiral computed tomography before and after cricothyroid approximation.

D Pickuth1, S Brandt, K Neumann

  • 1Department of Diagnostic Radiology, Martin-Luther-University, Faculty of Medicine, Halle/Saale, Germany. pickuth@aol.com

Clinical Otolaryngology and Allied Sciences
|September 6, 2000
PubMed
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Spiral computed tomography (CT) effectively measures cricothyroid distance changes after vocal pitch elevation surgery. Greater distance reduction correlates with more significant pitch increases, validating CT for surgical planning and follow-up.

Area of Science:

  • Laryngology
  • Medical Imaging
  • Speech Science

Background:

  • Cricothyroid approximation is a surgical technique to increase vocal pitch.
  • This procedure simulates cricothyroid muscle contraction using sutures.
  • Assessing surgical outcomes and guiding further interventions requires precise anatomical measurement.

Purpose of the Study:

  • To evaluate the utility of spiral computed tomography (CT) in patients undergoing cricothyroid approximation.
  • To correlate CT findings with phoniatric outcomes.
  • To determine CT's role in surgical planning and postoperative follow-up for vocal pitch elevation.

Main Methods:

  • Twenty-nine transsexual patients were included in the study.
  • Spiral CT scans were performed before and after laryngoplastic surgery.

Related Experiment Videos

  • CT measurements of the cricothyroid distance were correlated with phoniatric findings.

    • Main Results:

    • The average reduction in cricothyroid distance was 6 mm (range 2-10 mm).
    • A significant correlation was observed between greater cricothyroid distance reduction and higher vocal pitch elevation.
    • CT accurately quantified cricothyroid distance changes pre- and post-surgery.

    Conclusions:

    • Spiral CT is an accurate and ideal method for assessing the cricothyroid distance in patients undergoing vocal pitch elevation surgery.
    • CT is valuable for follow-up, particularly in cases of postoperative pitch reversion.
    • CT provides crucial data for planning intracordal interventions to achieve desired pitch elevation.